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公开(公告)号:US5595542A
公开(公告)日:1997-01-21
申请号:US459118
申请日:1995-06-02
申请人: Arnold Jager
发明人: Arnold Jager
CPC分类号: A63D9/00
摘要: A plastic pin, such as a bowling pin, for bowling lanes. The pin has a hard shell that surrounds a core of cellular and/or porous material, preferably a thermoplastic material. The interior of the shell has at least one partition that divides the hollow interior of the shell.
摘要翻译: 一个塑料针,如保龄球,用于保龄球道。 针具有硬壳,其围绕细胞和/或多孔材料的核心,优选热塑性材料。 壳体的内部具有至少一个分隔壳体的中空内部的隔板。